| /* |
| * Copyright (C) 2012, 2015, 2016 Igalia S.L |
| * Copyright (C) 2015, 2016 Metrological Group B.V. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #pragma once |
| |
| |
| #if USE(GSTREAMER) |
| #include "FloatSize.h" |
| #include <gst/gst.h> |
| #include <gst/video/video-format.h> |
| #include <gst/video/video-info.h> |
| #include <wtf/MediaTime.h> |
| |
| namespace WebCore { |
| |
| class IntSize; |
| |
| inline bool webkitGstCheckVersion(guint major, guint minor, guint micro) |
| { |
| guint currentMajor, currentMinor, currentMicro, currentNano; |
| gst_version(¤tMajor, ¤tMinor, ¤tMicro, ¤tNano); |
| |
| if (currentMajor < major) |
| return false; |
| if (currentMajor > major) |
| return true; |
| |
| if (currentMinor < minor) |
| return false; |
| if (currentMinor > minor) |
| return true; |
| |
| if (currentMicro < micro) |
| return false; |
| |
| return true; |
| } |
| |
| #define GST_VIDEO_CAPS_TYPE_PREFIX "video/" |
| #define GST_AUDIO_CAPS_TYPE_PREFIX "audio/" |
| #define GST_TEXT_CAPS_TYPE_PREFIX "text/" |
| |
| GstPad* webkitGstGhostPadFromStaticTemplate(GstStaticPadTemplate*, const gchar* name, GstPad* target); |
| #if ENABLE(VIDEO) |
| bool getVideoSizeAndFormatFromCaps(GstCaps*, WebCore::IntSize&, GstVideoFormat&, int& pixelAspectRatioNumerator, int& pixelAspectRatioDenominator, int& stride); |
| std::optional<FloatSize> getVideoResolutionFromCaps(const GstCaps*); |
| bool getSampleVideoInfo(GstSample*, GstVideoInfo&); |
| #endif |
| GstBuffer* createGstBuffer(GstBuffer*); |
| GstBuffer* createGstBufferForData(const char* data, int length); |
| char* getGstBufferDataPointer(GstBuffer*); |
| const char* capsMediaType(const GstCaps*); |
| bool doCapsHaveType(const GstCaps*, const char*); |
| bool areEncryptedCaps(const GstCaps*); |
| void mapGstBuffer(GstBuffer*, uint32_t); |
| void unmapGstBuffer(GstBuffer*); |
| Vector<String> extractGStreamerOptionsFromCommandLine(); |
| bool initializeGStreamer(std::optional<Vector<String>>&& = std::nullopt); |
| unsigned getGstPlayFlag(const char* nick); |
| uint64_t toGstUnsigned64Time(const MediaTime&); |
| |
| inline GstClockTime toGstClockTime(const MediaTime &mediaTime) |
| { |
| return static_cast<GstClockTime>(toGstUnsigned64Time(mediaTime)); |
| } |
| |
| bool gstRegistryHasElementForMediaType(GList* elementFactories, const char* capsString); |
| } |
| |
| #ifndef GST_BUFFER_DTS_OR_PTS |
| #define GST_BUFFER_DTS_OR_PTS(buffer) (GST_BUFFER_DTS_IS_VALID(buffer) ? GST_BUFFER_DTS(buffer) : GST_BUFFER_PTS(buffer)) |
| #endif |
| #endif // USE(GSTREAMER) |